<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>事件绑定</title>
    <script src="/js/vue.js"></script>
</head>
<body>
<div id="app">
    <p>@事件名称 帮绑定相应的事件  v-on:可以简写为@</p>
    {{sum}}
    <p>{{sum > 10 ? "大于10" : "小于10"}}</p>
    <input type="button" value="增加" @click="increment(1)">
    <input type="button" value="减少" v-on:click="decrease(1)">
</div>
<script>
    new Vue({
        el: "#app",
        data: {
            sum: 0
        },
        methods: {
            increment: function (num) {
                this.sum += num;
            },
            decrease: function (num) {
                this.sum -= num;
            }
        }
    });
</script>
</body>
</html>